Scalare le immagini

// create the thumbnail image
            using (Image img2 =
                      img.GetThumbnailImage(w, h,
                      new Image.GetThumbnailImageAbort(Abort),
                      IntPtr.Zero))
            {
                // emit it to the response strea,
                img2.Save(ctx.Response.OutputStream,
                    System.Drawing.Imaging.ImageFormat.Jpeg);

Dim image = New Bitmap("Compass.bmp")
Dim pThumbnail As Image = image.GetThumbnailImage(100, 100, Nothing, _
   New IntPtr())
e.Graphics.DrawImage( _
   pThumbnail, _
   10, _
   10, _
   pThumbnail.Width, _
   pThumbnail.Height)